A Food Marketing Institute found that 54% of households spend more than $125 a week on...

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A Food Marketing Institute found that 54% of households spend more than $125 a week on groceries. Assume the population proportion is 0.54 and a simple random sample of 98 households is selected from the population. hthe ample proportion of households spending more than $125 a weck is more than than 0.4 Note Yousthould caceflly round any z-values you caleulate to 4 decimal places to match wamaps approach and calculations Answer(Enter your answer as a number accurate to 4 decimal places.) Points possible: 1 Unlimited attempts License

ork - The Central Limit Theorem A leading magazine(like Barrons) reported at one time that the average number of weeks an individual is unemployed is 16 weeks. Assume that for the population of all unemployed individuals the population mearn length of unemployment is 16 wecks and that the population standard deviation is 4 weeks. Suppose you would like to select a random sample of 36 unemployed individuals for a follow-up study. Find the probability that a single randomly selected value is less than 15 P(X<15)- Find the probablity that a sample of size n 36 is randomly selected with a mean less than 15, P(M<15)- Enter your answers as numbers accurate to 4 decimal nl

math Statistics-And-Probability

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